Category: Dichotomous Keys

Dichotomous key

A = tree like —————————————————————— B

A1 = herbaceous ——————————————————————C

B = pine cones —————————————————————— pine 

B1 = no pine cones———————————————————— willow 

C = entire margin, simple leaf ——————————————————– sapling willow 

C1 = compounding leaves ————————————————————— D

D = odd pinate compound————————————– rock cress young

D1 palmate compound ——————————————— pasque flower 

this is only useful for the assignment we are doing in module two and is not applicable in other situations.

Dichotomous Key for 4 Plants – Biol 190

A – Woody …………………………………………………….B

A¹ – Herbaceous……………………………………………….C

               B – Has needles…………………………………….  Spruce

               B¹ – Does not have needles…………………………… Willow

C – Simple leaf, margin entire………………………………..  Willow (young stems)

C¹ – Compound leaf………………………………………….. D

               D – Leaves oddly pinnate compound …………………. Rockcress

               D1 – Leaves palmate compound ………………………  Pasqueflower    

This key is specifically designed for 4 specific pictures of plants and is not appropriate for use in any other situation.